![vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow](https://i.stack.imgur.com/yTebo.jpg)
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
![vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow](https://i.stack.imgur.com/2xqKt.jpg)
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
![vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow](https://i.stack.imgur.com/nYs3h.jpg)
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
Error (12006): Node instance "dspi_ddr_csn" instantiates undefined entity "altoddr". · Issue #2 · ZipCPU/arrowzip · GitHub
Error (12006): Node instance "dspi_ddr_csn" instantiates undefined entity "altoddr". · Issue #2 · ZipCPU/arrowzip · GitHub
![vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/XtzCn.png)
vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange
![Undefined entity "altera_avalon_sc_fifo". Ensure that required library paths are specified correctly - Intel Communities Undefined entity "altera_avalon_sc_fifo". Ensure that required library paths are specified correctly - Intel Communities](https://community.intel.com/cipcp26785/attachments/cipcp26785/quartus-prime-software/76636/2/slika_buffer.jpg)